Cornerstone Advisory provides financial planning, portfolio management for individuals and small businesses, portfolio management for pooled vehicles, pension consulting, education planning, and insurance. Financial planning was provided to 51–100 clients last fiscal year. The firm advises 1 private fund.
Cornerstone Advisory reports 854 clients. They include 452 high-net-worth individuals, 356 individual clients, and 24 pension and profit-sharing plans. Of its assets, 100.0% ($2.25B across 3,135 accounts) are managed with discretion.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 42% | 7% |
| High-net-worth individuals | 53% | 82% |
| Pooled investment vehicles | <1% | 1% |
| Pension and profit-sharing plans | 3% | 7% |
| Charitable organizations | Fewer than 5 | <1% |
| Other client typesCorporations and other businesses | 2% | 2% |
Client shares use reported counts. Client types without a reported count are excluded from that total.
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 356 | $161M | 7.1% | $451K |
| High-net-worth individuals | 452 | $1.85B | 82.5% | $4.1M |
| Pooled investment vehicles | 1 | $30.4M | 1.4% | $30.4M |
| Pension and profit-sharing plans | 24 | $165M | 7.3% | $6.89M |
| Charitable organizations | Fewer than 5 | $1.03M | 0.0% | — |
| Corporations and other businesses | 21 | $36.7M | 1.6% | $1.75M |
| Total | 854 | $2.25B | 100% | — |
- Clients
- 356
- Regulatory AUM
- $161M
- AUM share
- 7.1%
- Avg. per client
- $451K
- Clients
- 452
- Regulatory AUM
- $1.85B
- AUM share
- 82.5%
- Avg. per client
- $4.1M
- Clients
- 1
- Regulatory AUM
- $30.4M
- AUM share
- 1.4%
- Avg. per client
- $30.4M
- Clients
- 24
- Regulatory AUM
- $165M
- AUM share
- 7.3%
- Avg. per client
- $6.89M
- Clients
- Fewer than 5
- Regulatory AUM
- $1.03M
- AUM share
- 0.0%
- Avg. per client
- —
- Clients
- 21
- Regulatory AUM
- $36.7M
- AUM share
- 1.6%
- Avg. per client
- $1.75M
Total
- Clients
- 854
- Regulatory AUM
- $2.25B
- AUM share
- 100%
- Avg. per client
- —
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 1
- Financial planning clients last fiscal year
- 51–100
Cornerstone Advisory charges 0.50%–0.95% a year for its Portfolio Management Services. Each asset band is charged at its own rate. The fee is billed in advance, is negotiable and has a $9,500 annual minimum. The brochure also prices one other service, listed under fee details.
| Asset band | Annual rate |
|---|---|
| $0–$5M | 0.95% |
| $5M–$10M | 0.70% |
| $10M–$20M | 0.60% |
| $20M and above | 0.50% |
Fee details and sources
Other fees
- Financial Planning and Consulting
- Financial plans carry a negotiable fixed fee of $2,500 to $10,000; consulting is charged hourly at $250 to $500.
Chesapeake Advisory Group, LLP owns 50% to 75% of Cornerstone Advisory and is in turn owned by Donald Huber (50–75%) and Thomas Biddison (50–75%). The leadership team of Cornerstone Advisory includes Chief Compliance Officer Donald Huber. It has 19 employees, 9 of them in advisory roles.
Staff
- 19 employees
- 9 in advisory functions
- 9 state-registered reps
- 2 insurance agents
- 4 soliciting firms
- Owns 50% to 75% of Cornerstone Advisory, LLC
Chesapeake Advisory Group, LLP
Control person · since April 2017
- Owns 50% to 75% of Chesapeake Advisory Group, LLP
Donald Huber
Control person · since April 2017
- Owns 50% to 75% of Chesapeake Advisory Group, LLP
Thomas Biddison
Control person · since April 2017
- Owns 25% to 50% of Cornerstone Advisory, LLC
Private Fund Advisors, Inc.
Control person · since April 2017
- Owns 75% or more of Private Fund Advisors, Inc.
Erik Johnson
Control person · since April 2017
Cornerstone Advisory’s regulatory assets grew 1.6× from $1.43B (March 2021) to $2.25B (September 2026); clients rose from 720 to 854 and employees from 13 to 19. In 2017, Private Fund Advisors joined it.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | StaffEmployees | Offices |
|---|---|---|---|---|
| Sep 2026September 2026 | $2.25B | 854 | 19 | 2 |
| Jul 2025July 2025 | $2.01B | 830 | 17 | 2 |
| Jun 2024June 2024 | $1.74B | 991 | 16 | 2 |
| Apr 2023April 2023 | $1.52B | 792 | 14 | 2 |
| Mar 2022March 2022 | $1.7B | 846 | 14 | 2 |
| Mar 2021March 2021 | $1.43B | 720 | 13 | 2 |
Firms that joined
20171 joined
- Private Fund AdvisorsNo filed AUM
Firms whose SEC withdrawal reports a sale to this firm, and deals reported in the press. Teams that moved without selling a registered firm may not appear.
Besides its headquarters, Cornerstone Advisory has 1 office, with 2 listed addresses in 1 state.
Maryland · 2 listed addresses
- 211 Old Padonia Road, Hunt ValleyHQ
- 2 Evergreen Road, Severna Park
Contact and registration details
- Legal name
- Cornerstone Advisory, LLC
- Headquarters
- 211 Old Padonia Road, Hunt Valley, MD 21030
- Website
- cornerstoneadvisory.com
- Phone
- 410-468-1693
- SEC file
- 801-68058
- Founded
- 2006
- Structure
- Maryland LLC
- Fiscal year end
- December
Cornerstone Advisory’s named custodian for separately managed accounts is Charles Schwab ($2.02B). Cornerstone Advisory has custody of $681M for 538 clients.
- Charles SchwabCharles Schwab & Co., Inc. · Orlando, FL · $2.02B100%
At year end, Cornerstone Advisory’s separately managed accounts were mostly in funds (59%) and stocks (24%). Its reported 13F holdings for the quarter ended 30 June 2026 total $1.21B across 278 positions; the largest are J P Morgan Exchange Traded F (9.7%), Goldman Sachs ETF TR (7.9%) and Vanguard Whitehall Fds (5.0%).
What the accounts hold
- Stocks24%
- Exchange-traded equities21%
- Non-exchange-traded equities3%
- Funds59%
- Registered funds58%
- Pooled vehicles1%
- Bonds5%
- Cash6%
- Other6%
- Reits, private equity, private debt, limited partnerships, variable annuities and all other asset types that were <1%6%
How many clients does Cornerstone Advisory have?
Cornerstone Advisory has 854 clients and manages $2.25 billion for them, as of September 2026. They include 452 high-net-worth individuals, 356 individual clients, and 24 pension and profit-sharing plans.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 1 September 2026
What services does Cornerstone Advisory offer?
Cornerstone Advisory provides financial planning, portfolio management for individuals and small businesses, portfolio management for pooled vehicles, pension consulting, education planning, and insurance.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file; Part 2A brochure, Item 4
How much does Cornerstone Advisory charge?
Cornerstone Advisory charges 0.50%–0.95% a year for its Portfolio Management Services. Each asset band is charged at its own rate. The fee is billed in advance, is negotiable and has a $9,500 annual minimum.
Source: CORNERSTONE ADV PART 2A -MARCH 2026, filed 24 March 2026
Which custodians does Cornerstone Advisory use?
Cornerstone Advisory’s separately managed account assets are held at Charles Schwab & Co., Inc. (Orlando, FL), with $2.02B. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 1 September 2026
How many financial advisors does Cornerstone Advisory have?
Cornerstone Advisory has 9 investment adviser representatives registered with state securities authorities, out of 19 employees, and 9 perform investment advisory functions. 0 employees are registered representatives of a broker-dealer and 2 employees are licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does Cornerstone Advisory invest in?
At the end of its last fiscal year, Cornerstone Advisory’s separately managed accounts held 58% registered funds (mutual funds, ETFs, BDCs), 21% exchange-traded equities, 6% cash and equivalents, 6% other, 5% investment grade corporate bonds, 3% non-exchange-traded equities and 1% pooled vehicles (private funds and similar). The 6% other category is described as: Reits, Private Equity, Private Debt, Limited Partnerships, Variable Annuities and All Other Asset Types That Were <1%. It advises 1 private fund.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Cornerstone Advisory?
Cornerstone Advisory is owned through holding companies by Donald Huber, Thomas Biddison and Erik Johnson. Its direct owners are Chesapeake Advisory Group, LLP (50% to 75%) and Private Fund Advisors, Inc. (25% to 50%).
Source: Form ADV Part 1A, Schedules A and B, filed 1 September 2026
How does Cornerstone Advisory get paid?
Cornerstone Advisory is paid through a percentage of assets under management, hourly charges and fixed fees. Its Form ADV lists no commissions or performance-based fees among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
How do I contact Cornerstone Advisory?
Cornerstone Advisory’s main office is at 211 Old Padonia Road, Hunt Valley, MD 21030. Its phone number is 410-468-1693. Its website is cornerstoneadvisory.com.